+ /**
+ * Mock the http client used in BookStack.
+ * Returns a reference to the container which holds all history of http transactions.
+ *
+ * @link https://docs.guzzlephp.org/en/stable/testing.html#history-middleware
+ */
+ protected function &mockHttpClient(array $responses = []): array
+ {
+ $container = [];
+ $history = Middleware::history($container);
+ $mock = new MockHandler($responses);
+ $handlerStack = new HandlerStack($mock);
+ $handlerStack->push($history);
+ $this->app[ClientInterface::class] = new Client(['handler' => $handlerStack]);
+
+ return $container;
+ }
+